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util.c revision 1.26
      1 /*	$NetBSD: util.c,v 1.26 2006/06/19 15:44:36 gdamore Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Juergen Hannken-Illjes and Julio M. Merino Vidal.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/time.h>
     40 
     41 #include <dev/wscons/wsconsio.h>
     42 #include <dev/wscons/wsksymdef.h>
     43 
     44 #include <err.h>
     45 #include <errno.h>
     46 #include <limits.h>
     47 #include <stdio.h>
     48 #include <stdlib.h>
     49 #include <string.h>
     50 #include <unistd.h>
     51 
     52 #include "wsconsctl.h"
     53 
     54 #define TABLEN(t)		(sizeof(t)/sizeof(t[0]))
     55 
     56 extern struct wskbd_map_data kbmap;	/* from keyboard.c */
     57 extern struct wskbd_map_data newkbmap;	/* from map_parse.y */
     58 
     59 struct nameint {
     60 	int value;
     61 	const char *name;
     62 };
     63 
     64 static struct nameint kbtype_tab[] = {
     65 	{ WSKBD_TYPE_LK201,		"lk201" },
     66 	{ WSKBD_TYPE_LK401,		"lk401" },
     67 	{ WSKBD_TYPE_PC_XT,		"pc-xt" },
     68 	{ WSKBD_TYPE_PC_AT,		"pc-at" },
     69 	{ WSKBD_TYPE_USB,		"usb" },
     70 	{ WSKBD_TYPE_HPC_KBD,		"hpc-kbd" },
     71 	{ WSKBD_TYPE_HPC_BTN,		"hpc-btn" },
     72 	{ WSKBD_TYPE_ARCHIMEDES,	"archimedes" },
     73 	{ WSKBD_TYPE_RISCPC,		"riscpc" },
     74 	{ WSKBD_TYPE_ADB,		"adb" },
     75 	{ WSKBD_TYPE_HIL,		"hil" },
     76 	{ WSKBD_TYPE_AMIGA,		"amiga" },
     77 	{ WSKBD_TYPE_MAPLE,		"maple" },
     78 	{ WSKBD_TYPE_ATARI,		"atari" },
     79 	{ WSKBD_TYPE_SUN,		"sun" },
     80 	{ WSKBD_TYPE_SUN5,		"sun-type5" },
     81 	{ WSKBD_TYPE_SGI,		"sgi" },
     82 	{ WSKBD_TYPE_MATRIXKP,		"matrix-keypad" },
     83 	{ WSKBD_TYPE_BLUETOOTH,		"bluetooth" },
     84 };
     85 
     86 static struct nameint mstype_tab[] = {
     87 	{ WSMOUSE_TYPE_VSXXX,		"dec-tc" },
     88 	{ WSMOUSE_TYPE_PS2,		"ps2" },
     89 	{ WSMOUSE_TYPE_USB,		"usb" },
     90 	{ WSMOUSE_TYPE_LMS,		"logitech-bus" },
     91 	{ WSMOUSE_TYPE_MMS,		"ms-inport" },
     92 	{ WSMOUSE_TYPE_TPANEL,		"touch-panel" },
     93 	{ WSMOUSE_TYPE_NEXT,		"next" },
     94 	{ WSMOUSE_TYPE_ARCHIMEDES,	"archimedes" },
     95 	{ WSMOUSE_TYPE_HIL,		"hil" },
     96 	{ WSMOUSE_TYPE_AMIGA,		"amiga" },
     97 	{ WSMOUSE_TYPE_MAXINE,		"dec-maxine" },
     98 	{ WSMOUSE_TYPE_MAPLE,		"maple" },
     99 	{ WSMOUSE_TYPE_BLUETOOTH,	"bluetooth" },
    100 };
    101 
    102 static struct nameint dpytype_tab[] = {
    103 	{ WSDISPLAY_TYPE_UNKNOWN,	"unknown" },
    104 	{ WSDISPLAY_TYPE_PM_MONO,	"dec-pm-mono" },
    105 	{ WSDISPLAY_TYPE_PM_COLOR,	"dec-pm-color" },
    106 	{ WSDISPLAY_TYPE_CFB,		"dec-cfb" },
    107 	{ WSDISPLAY_TYPE_XCFB,		"dec-xcfb" },
    108 	{ WSDISPLAY_TYPE_MFB,		"dec-mfb" },
    109 	{ WSDISPLAY_TYPE_SFB,		"dec-sfb" },
    110 	{ WSDISPLAY_TYPE_ISAVGA,	"vga-isa" },
    111 	{ WSDISPLAY_TYPE_PCIVGA,	"vga-pci" },
    112 	{ WSDISPLAY_TYPE_TGA,		"dec-tga-pci" },
    113 	{ WSDISPLAY_TYPE_SFBP,		"dec-sfb+" },
    114 	{ WSDISPLAY_TYPE_PCIMISC,	"generic-pci" },
    115 	{ WSDISPLAY_TYPE_NEXTMONO,	"next-mono" },
    116 	{ WSDISPLAY_TYPE_PX,		"dec-px" },
    117 	{ WSDISPLAY_TYPE_PXG,		"dec-pxg" },
    118 	{ WSDISPLAY_TYPE_TX,		"dec-tx" },
    119 	{ WSDISPLAY_TYPE_HPCFB,		"generic-hpc" },
    120 	{ WSDISPLAY_TYPE_VIDC,		"arm-vidc" },
    121 	{ WSDISPLAY_TYPE_SPX,		"dec-spx" },
    122 	{ WSDISPLAY_TYPE_GPX,		"dec-gpx" },
    123 	{ WSDISPLAY_TYPE_LCG,		"dec-lcg" },
    124 	{ WSDISPLAY_TYPE_VAX_MONO,	"dec-vax-mono" },
    125 	{ WSDISPLAY_TYPE_SB_P9100,	"sparcbook-p9100" },
    126 	{ WSDISPLAY_TYPE_EGA,		"ega" },
    127 	{ WSDISPLAY_TYPE_DCPVR,		"dreamcast-pvr" },
    128 	{ WSDISPLAY_TYPE_GATOR,		"hp-gator" },
    129 	{ WSDISPLAY_TYPE_TOPCAT,	"hp-topcat" },
    130 	{ WSDISPLAY_TYPE_RENAISSANCE,	"hp-renaissance" },
    131 	{ WSDISPLAY_TYPE_CATSEYE,	"hp-catseye" },
    132 	{ WSDISPLAY_TYPE_DAVINCI,	"hp-davinci" },
    133 	{ WSDISPLAY_TYPE_TIGER,		"hp-tiger" },
    134 	{ WSDISPLAY_TYPE_HYPERION,	"hp-hyperion" },
    135 	{ WSDISPLAY_TYPE_AMIGACC,	"amiga-cc" },
    136 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
    137 	{ WSDISPLAY_TYPE_NEWPORT,	"sgi-newport" },
    138 	{ WSDISPLAY_TYPE_GR2,		"sgi-gr2" },
    139 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
    140 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
    141 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
    142 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
    143 };
    144 
    145 static struct nameint kbdenc_tab[] = {
    146 	KB_ENCTAB
    147 };
    148 
    149 static struct nameint kbdvar_tab[] = {
    150 	KB_VARTAB
    151 };
    152 
    153 static struct nameint color_tab[] = {
    154 	{ WSCOL_UNSUPPORTED,		"unsupported" },
    155 	{ WSCOL_BLACK,			"black" },
    156 	{ WSCOL_RED,			"red" },
    157 	{ WSCOL_GREEN,			"green" },
    158 	{ WSCOL_BROWN,			"brown" },
    159 	{ WSCOL_BLUE,			"blue" },
    160 	{ WSCOL_MAGENTA,		"magenta" },
    161 	{ WSCOL_CYAN,			"cyan" },
    162 	{ WSCOL_WHITE,			"white" },
    163 };
    164 
    165 static struct nameint attr_tab[] = {
    166 	{ WSATTR_NONE,			"none" },
    167 	{ WSATTR_REVERSE,		"reverse" },
    168 	{ WSATTR_HILIT,			"hilit" },
    169 	{ WSATTR_BLINK,			"blink" },
    170 	{ WSATTR_UNDERLINE,		"underline" },
    171 	{ WSATTR_WSCOLORS,		"color" },
    172 };
    173 
    174 static struct field *field_tab;
    175 static int field_tab_len;
    176 
    177 static const char *int2name(int, int, struct nameint *, int);
    178 static int name2int(char *, struct nameint *, int);
    179 static void print_kmap(struct wskbd_map_data *);
    180 static unsigned int rd_bitfield(const char *);
    181 static void pr_bitfield(unsigned int);
    182 
    183 void
    184 field_setup(struct field *ftab, int len)
    185 {
    186 
    187 	field_tab = ftab;
    188 	field_tab_len = len;
    189 }
    190 
    191 struct field *
    192 field_by_name(char *name)
    193 {
    194 	int i;
    195 
    196 	for (i = 0; i < field_tab_len; i++)
    197 		if (strcmp(field_tab[i].name, name) == 0)
    198 			return field_tab + i;
    199 
    200 	errx(EXIT_FAILURE, "%s: not found", name);
    201 }
    202 
    203 struct field *
    204 field_by_value(void *addr)
    205 {
    206 	int i;
    207 
    208 	for (i = 0; i < field_tab_len; i++)
    209 		if (field_tab[i].valp == addr)
    210 			return field_tab + i;
    211 
    212 	errx(EXIT_FAILURE, "internal error: field_by_value: not found");
    213 }
    214 
    215 void
    216 field_disable_by_value(void *addr)
    217 {
    218 	struct field *f;
    219 
    220 	f = field_by_value(addr);
    221 	f->flags |= FLG_DISABLED;
    222 }
    223 
    224 static const char *
    225 int2name(int val, int uflag, struct nameint *tab, int len)
    226 {
    227 	static char tmp[20];
    228 	int i;
    229 
    230 	for (i = 0; i < len; i++)
    231 		if (tab[i].value == val)
    232 			return tab[i].name;
    233 
    234 	if (uflag) {
    235 		(void)snprintf(tmp, sizeof(tmp), "unknown_%d", val);
    236 		return tmp;
    237 	} else
    238 		return NULL;
    239 }
    240 
    241 static int
    242 name2int(char *val, struct nameint *tab, int len)
    243 {
    244 	int i;
    245 
    246 	for (i = 0; i < len; i++)
    247 		if (strcmp(tab[i].name, val) == 0)
    248 			return tab[i].value;
    249 	return -1;
    250 }
    251 
    252 void
    253 pr_field(struct field *f, const char *sep)
    254 {
    255 	const char *p;
    256 	unsigned int flags;
    257 	int first, i, mask;
    258 
    259 	if (sep)
    260 		(void)printf("%s%s", f->name, sep);
    261 
    262 	switch (f->format) {
    263 	case FMT_UINT:
    264 		(void)printf("%u", *((unsigned int *) f->valp));
    265 		break;
    266 	case FMT_STRING:
    267 		(void)printf("\"%s\"", *((char **) f->valp));
    268 		break;
    269 	case FMT_BITFIELD:
    270 		pr_bitfield(*((unsigned int *) f->valp));
    271 		break;
    272 	case FMT_KBDTYPE:
    273 		p = int2name(*((unsigned int *) f->valp), 1,
    274 		    kbtype_tab, TABLEN(kbtype_tab));
    275 		(void)printf("%s", p);
    276 		break;
    277 	case FMT_MSTYPE:
    278 		p = int2name(*((unsigned int *) f->valp), 1,
    279 		    mstype_tab, TABLEN(mstype_tab));
    280 		(void)printf("%s", p);
    281 		break;
    282 	case FMT_DPYTYPE:
    283 		p = int2name(*((unsigned int *) f->valp), 1,
    284 		    dpytype_tab, TABLEN(dpytype_tab));
    285 		(void)printf("%s", p);
    286 		break;
    287 	case FMT_KBDENC:
    288 		p = int2name(KB_ENCODING(*((unsigned int *) f->valp)), 1,
    289 		    kbdenc_tab, TABLEN(kbdenc_tab));
    290 		(void)printf("%s", p);
    291 
    292 		flags = KB_VARIANT(*((unsigned int *) f->valp));
    293 		for (i = 0; i < 32; i++) {
    294 			if (!(flags & (1 << i)))
    295 				continue;
    296 			p = int2name(flags & (1 << i), 1,
    297 			    kbdvar_tab, TABLEN(kbdvar_tab));
    298 			(void)printf(".%s", p);
    299 		}
    300 		break;
    301 	case FMT_KBMAP:
    302 		print_kmap((struct wskbd_map_data *) f->valp);
    303 		break;
    304 	case FMT_COLOR:
    305 		p = int2name(*((unsigned int *) f->valp), 1,
    306 		    color_tab, TABLEN(color_tab));
    307 		(void)printf("%s", p);
    308 		break;
    309 	case FMT_ATTRS:
    310 		mask = 0x10;
    311 		first = 1;
    312 		while (mask > 0) {
    313 			if (*((unsigned int *) f->valp) & mask) {
    314 				p = int2name(*((unsigned int *) f->valp) & mask,
    315 				    1, attr_tab, TABLEN(attr_tab));
    316 				(void)printf("%s%s", first ? "" : ",", p);
    317 				first = 0;
    318 			}
    319 			mask >>= 1;
    320 		}
    321 		if (first)
    322 			(void)printf("none");
    323 		break;
    324 	default:
    325 		errx(EXIT_FAILURE, "internal error: pr_field: no format %d",
    326 		    f->format);
    327 		break;
    328 	}
    329 
    330 	(void)printf("\n");
    331 }
    332 
    333 static void
    334 pr_bitfield(unsigned int f)
    335 {
    336 
    337 	if (f == 0)
    338 		(void)printf("none");
    339 	else {
    340 		int i, first, mask;
    341 
    342 		for (i = 0, first = 1, mask = 1; i < sizeof(f) * 8; i++) {
    343 			if (f & mask) {
    344 				(void)printf("%s%d", first ? "" : " ", i);
    345 				first = 0;
    346 			}
    347 			mask = mask << 1;
    348 		}
    349 	}
    350 }
    351 
    352 void
    353 rd_field(struct field *f, char *val, int merge)
    354 {
    355 	int i;
    356 	unsigned int u;
    357 	char *p;
    358 	struct wscons_keymap *mp;
    359 
    360 	switch (f->format) {
    361 	case FMT_UINT:
    362 		if (sscanf(val, "%u", &u) != 1)
    363 			errx(EXIT_FAILURE, "%s: not a number", val);
    364 		if (merge)
    365 			*((unsigned int *) f->valp) += u;
    366 		else
    367 			*((unsigned int *) f->valp) = u;
    368 		break;
    369 	case FMT_STRING:
    370 		if ((*((char **) f->valp) = strdup(val)) == NULL)
    371 			err(EXIT_FAILURE, "strdup");
    372 		break;
    373 	case FMT_BITFIELD:
    374 		*((unsigned int *) f->valp) = rd_bitfield(val);
    375 		break;
    376 	case FMT_KBDENC:
    377 		p = strchr(val, '.');
    378 		if (p != NULL)
    379 			*p++ = '\0';
    380 
    381 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
    382 		if (i == -1)
    383 			errx(EXIT_FAILURE, "%s: not a valid encoding", val);
    384 		*((unsigned int *) f->valp) = i;
    385 
    386 		while (p) {
    387 			val = p;
    388 			p = strchr(p, '.');
    389 			if (p != NULL)
    390 				*p++ = '\0';
    391 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
    392 			if (i == -1)
    393 				errx(EXIT_FAILURE, "%s: not a valid variant",
    394 				    val);
    395 			*((unsigned int *) f->valp) |= i;
    396 		}
    397 		break;
    398 	case FMT_KBMAP:
    399 		if (! merge)
    400 			kbmap.maplen = 0;
    401 		map_scan_setinput(val);
    402 		yyparse();
    403 		if (merge) {
    404 			if (newkbmap.maplen < kbmap.maplen)
    405 				newkbmap.maplen = kbmap.maplen;
    406 			for (i = 0; i < kbmap.maplen; i++) {
    407 				mp = newkbmap.map + i;
    408 				if (mp->command == KS_voidSymbol &&
    409 				    mp->group1[0] == KS_voidSymbol &&
    410 				    mp->group1[1] == KS_voidSymbol &&
    411 				    mp->group2[0] == KS_voidSymbol &&
    412 				    mp->group2[1] == KS_voidSymbol)
    413 					*mp = kbmap.map[i];
    414 			}
    415 		}
    416 		kbmap.maplen = newkbmap.maplen;
    417 		bcopy(newkbmap.map, kbmap.map,
    418 		    kbmap.maplen * sizeof(struct wscons_keymap));
    419 		break;
    420 	case FMT_COLOR:
    421 		i = name2int(val, color_tab, TABLEN(color_tab));
    422 		if (i == -1)
    423 			errx(EXIT_FAILURE, "%s: not a valid color", val);
    424 		*((unsigned int *) f->valp) = i;
    425 		break;
    426 	case FMT_ATTRS:
    427 		p = val;
    428 		while (p) {
    429 			val = p;
    430 			p = strchr(p, ',');
    431 			if (p != NULL)
    432 				*p++ = '\0';
    433 			i = name2int(val, attr_tab, TABLEN(attr_tab));
    434 			if (i == -1)
    435 				errx(EXIT_FAILURE, "%s: not a valid attribute",
    436 				    val);
    437 			*((unsigned int *) f->valp) |= i;
    438 		}
    439 		break;
    440 	default:
    441 		errx(EXIT_FAILURE, "internal error: rd_field: no format %d",
    442 		    f->format);
    443 		break;
    444 	}
    445 }
    446 
    447 static unsigned int
    448 rd_bitfield(const char *str)
    449 {
    450 	const char *ptr;
    451 	char *ep;
    452 	long lval;
    453 	unsigned int result;
    454 
    455 	ep = NULL;
    456 	ptr = str;
    457 	result = 0;
    458 	while (*ptr != '\0') {
    459 		errno = 0;
    460 		lval = strtol(ptr, &ep, 10);
    461 		if (*ep != '\0' && *ep != ' ')
    462 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    463 		if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
    464 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    465 		if (lval >= sizeof(result) * 8)
    466 			errx(EXIT_FAILURE, "%ld: number out of range", lval);
    467 		result |= (1 << lval);
    468 
    469 		ptr = ep;
    470 		while (*ptr == ' ')
    471 			ptr++;
    472 	}
    473 
    474 	return result;
    475 }
    476 
    477 static void
    478 print_kmap(struct wskbd_map_data *map)
    479 {
    480 	int i;
    481 	struct wscons_keymap *mp;
    482 
    483 	for (i = 0; i < map->maplen; i++) {
    484 		mp = map->map + i;
    485 
    486 		if (mp->command == KS_voidSymbol &&
    487 		    mp->group1[0] == KS_voidSymbol &&
    488 		    mp->group1[1] == KS_voidSymbol &&
    489 		    mp->group2[0] == KS_voidSymbol &&
    490 		    mp->group2[1] == KS_voidSymbol)
    491 			continue;
    492 		(void)printf("\n");
    493 		(void)printf("keycode %u =", i);
    494 		if (mp->command != KS_voidSymbol)
    495 			(void)printf(" %s", ksym2name(mp->command));
    496 		(void)printf(" %s", ksym2name(mp->group1[0]));
    497 		if (mp->group1[0] != mp->group1[1] ||
    498 		    mp->group1[0] != mp->group2[0] ||
    499 		    mp->group1[0] != mp->group2[1]) {
    500 			(void)printf(" %s", ksym2name(mp->group1[1]));
    501 			if (mp->group1[0] != mp->group2[0] ||
    502 			    mp->group1[1] != mp->group2[1]) {
    503 				(void)printf(" %s", ksym2name(mp->group2[0]));
    504 				(void)printf(" %s", ksym2name(mp->group2[1]));
    505 			}
    506 		}
    507 	}
    508 }
    509